Highway Location Reference

The Highway Location Reference (HLR) provides a method for uniquely identifying roadway locations (milepoints) and to identify data elements that are most commonly requested. Please read the Introduction and General Information (PDF, 32kb) for more information. To download a free copy of Adobe Reader, click here.

The Highway Location Reference is also available in a hard-copy book by SHA district. If you would like to receive the book, write to:

To find a HLR report document, click on the county in the map. This will then open a pop-up window, displaying the individual year for each available HLR report document. Selecting one of the years, e.g.2014 will open the document in your browser for either viewing, printing or download.